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New — The Peptide Dictionary: 128 terms, explained simply
New guide — NAD+ for Anti-Aging: What the Science Says
New guide — GHK-Cu: the copper peptide for your skin
Not sure where to start? — A 60-second quiz points you to the path that fits your goal
New explainer — Semaglutide: what the research says, made simple
Browse — Peptide guides, made simple
New — The Peptide Dictionary: 128 terms, explained simply
New guide — NAD+ for Anti-Aging: What the Science Says
New guide — GHK-Cu: the copper peptide for your skin
Not sure where to start? — A 60-second quiz points you to the path that fits your goal
New explainer — Semaglutide: what the research says, made simple
Browse — Peptide guides, made simple
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Peptides A–Z
NewSemaglutideOzempic®, Wegovy®

The weekly shot in Wegovy® and Ozempic®. The one most people start by asking about.

FDA-approved
4 min readWeight Loss
NAD+nicotinamide adenine dinucleotide

The cell-energy molecule everyone talks about. Not a peptide, but the top ask.

Supplement
5 min readAnti-Aging
NewBPC-157body protection compound

The one people ask about for tendons and gut. Animal studies only so far.

Research-stage
3 min readRecovery
NewPT-141bremelanotide (Vyleesi®)

Bremelanotide (Vyleesi®), the FDA-approved desire medicine for premenopausal women.

FDA-approved
3 min readSexual Wellness
NewLiraglutideSaxenda®, Victoza®

The older daily shot (Saxenda®, Victoza®). Now has cheaper generic versions.

FDA-approved
5 min readWeight Loss
Sermorelingrowth hormone releasing analog

What Is Sermorelin? Sermorelin is a growth hormone releasing hormone (GHRH) analog. It stimulates your pituitary gland to produce more growth hormone naturally. It has...

4 min readAnti-Aging
NewTB-500thymosin beta-4

A repair-protein fragment studied in animals. Banned in sports.

Research-stage
3 min readRecovery
NewSemaxnootropic peptide

Used in Russia as a nasal spray. No FDA approval; big Western studies are lacking.

Research-stage
4 min readCognitive
NewDSIPdelta sleep-inducing peptide

The “deep sleep” peptide. 50 years of mixed results; FDA advisers voted against it.

Research-stage
4 min readSleep
NewMOTS-cmitochondrial peptide

A peptide made by your mitochondria (your cells’ power plants). Human studies are just starting.

Research-stage
4 min readEnergy
NewKPVanti-inflammatory tripeptide

A tiny peptide studied for calming gut and skin inflammation.

Research-stage
3 min readImmune

Status labels describe U.S. regulatory standing for the peptide itself, not any product. Research-stage peptides are not approved for human use; talk to a licensed clinician before starting anything.

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27providers
independently reviewed
Written for regular people
99
free explainers, and counting
15 peptides12 conditions17 comparisons128 glossary terms
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  • We read the studies, not the marketingWe trace claims back to what was actually tested.
  • We don’t sell peptidesWe compare providers and explain options. We never prescribe or ship.
  • Written to be understoodPlain words, real examples, no jargon left unexplained.
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